12mm petal bead cap. Bead caps are stamped brass and plated in gold. Made in USA by Nunn Design. Price per bead cap. bc12p-gb The Hebe earrings, designed by Rebecca Nunn of Nunn Design, were made using 12mm Nunn Design gold plated petal bead caps, 2" antique gold plated ball pins, black epoxy clay, 12mm round white pearl beads, and gold plated leverback earwires.